Tobermore, from Irish An Tobar Mór, meaning 'the great well') is a small village in County Londonderry, Northern Ireland named after the townland of Tobermore. The village, which has a predominantly Protestant population, lies 2.5 miles (4.0 km) south-south-west of Maghera and 5.5 miles (8.9 km) north-west of Magherafelt. Tobermore is within the civil parish of Kilcronaghan and is part of Mid-Ulster District. It was also part of the former barony of Loughinsholin.

County Londonderry, also known as County Derry, is one of the six counties of Northern Ireland, one of the thirty-two counties of Ireland and one of the nine counties of Ulster. Before the partition of Ireland, it was one of the counties of the Kingdom of Ireland from 1613 onward and then of the United Kingdom after the Acts of Union 1800. Adjoining the north-west shore of Lough Neagh, the county covers an area of 2,118 km2 (818 sq mi) and today has a population of about 252,231.